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Diffstat (limited to 'editor/import/resource_importer_imagefont.cpp')
| -rw-r--r-- | editor/import/resource_importer_imagefont.cpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/editor/import/resource_importer_imagefont.cpp b/editor/import/resource_importer_imagefont.cpp new file mode 100644 index 0000000000..997280d1dd --- /dev/null +++ b/editor/import/resource_importer_imagefont.cpp @@ -0,0 +1,162 @@ +/*************************************************************************/ +/* resource_importer_imagefont.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "resource_importer_imagefont.h" + +#include "core/io/image_loader.h" +#include "core/io/resource_saver.h" + +String ResourceImporterImageFont::get_importer_name() const { + return "font_data_image"; +} + +String ResourceImporterImageFont::get_visible_name() const { + return "Font Data (Monospace Image Font)"; +} + +void ResourceImporterImageFont::get_recognized_extensions(List<String> *p_extensions) const { + if (p_extensions) { + ImageLoader::get_recognized_extensions(p_extensions); + } +} + +String ResourceImporterImageFont::get_save_extension() const { + return "fontdata"; +} + +String ResourceImporterImageFont::get_resource_type() const { + return "FontData"; +} + +bool ResourceImporterImageFont::get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const { + return true; +} + +void ResourceImporterImageFont::get_import_options(List<ImportOption> *r_options, int p_preset) const { + r_options->push_back(ImportOption(PropertyInfo(Variant::PACKED_STRING_ARRAY, "character_ranges"), Vector<String>())); + r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "columns"), 1)); + r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "rows"), 1)); + r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "font_size"), 14)); + r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "compress"), true)); +} + +bool ResourceImporterImageFont::_decode_range(const String &p_token, int32_t &r_pos) { + if (p_token.begins_with("U+") || p_token.begins_with("u+") || p_token.begins_with("0x")) { + // Unicode character hex index. + r_pos = p_token.substr(2).hex_to_int(); + return true; + } else if (p_token.length() == 3 && p_token[0] == '\'' && p_token[2] == '\'') { + // Unicode character. + r_pos = p_token.unicode_at(1); + return true; + } else if (p_token.is_numeric()) { + // Unicode character decimal index. + r_pos = p_token.to_int(); + return true; + } else { + return false; + } +} + +Error ResourceImporterImageFont::import(const String &p_source_file, const String &p_save_path, const Map<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) { + print_verbose("Importing image font from: " + p_source_file); + + int columns = p_options["columns"]; + int rows = p_options["rows"]; + int base_size = p_options["font_size"]; + Vector<String> ranges = p_options["character_ranges"]; + + Ref<FontData> font; + font.instantiate(); + font->set_antialiased(false); + font->set_multichannel_signed_distance_field(false); + font->set_fixed_size(base_size); + font->set_force_autohinter(false); + font->set_hinting(TextServer::HINTING_NONE); + font->set_oversampling(1.0f); + + Ref<Image> img; + img.instantiate(); + Error err = ImageLoader::load_image(p_source_file, img); + ERR_FAIL_COND_V_MSG(err != OK, ERR_FILE_CANT_READ, TTR("Can't load font texture: ") + "\"" + p_source_file + "\"."); + font->set_texture_image(0, Vector2i(base_size, 0), 0, img); + + int count = columns * rows; + int chr_width = img->get_width() / columns; + int chr_height = img->get_height() / rows; + int pos = 0; + + for (int i = 0; i < ranges.size(); i++) { + int32_t start, end; + Vector<String> tokens = ranges[i].split("-"); + if (tokens.size() == 2) { + if (!_decode_range(tokens[0], start) || !_decode_range(tokens[1], end)) { + WARN_PRINT("Invalid range: \"" + ranges[i] + "\""); + continue; + } + } else if (tokens.size() == 1) { + if (!_decode_range(tokens[0], start)) { + WARN_PRINT("Invalid range: \"" + ranges[i] + "\""); + continue; + } + end = start; + } else { + WARN_PRINT("Invalid range: \"" + ranges[i] + "\""); + continue; + } + for (int32_t idx = start; idx <= end; idx++) { + int x = pos % columns; + int y = pos / columns; + font->set_glyph_advance(0, base_size, idx, Vector2(chr_width, 0)); + font->set_glyph_offset(0, Vector2i(base_size, 0), idx, Vector2(0, -0.5 * chr_height)); + font->set_glyph_size(0, Vector2i(base_size, 0), idx, Vector2(chr_width, chr_height)); + font->set_glyph_uv_rect(0, Vector2i(base_size, 0), idx, Rect2(chr_width * x, chr_height * y, chr_width, chr_height)); + font->set_glyph_texture_idx(0, Vector2i(base_size, 0), idx, 0); + pos++; + ERR_FAIL_COND_V_MSG(pos >= count, ERR_CANT_CREATE, "Too many characters in range."); + } + } + font->set_ascent(0, base_size, 0.5 * chr_height); + font->set_descent(0, base_size, 0.5 * chr_height); + + int flg = ResourceSaver::SaverFlags::FLAG_BUNDLE_RESOURCES | ResourceSaver::FLAG_REPLACE_SUBRESOURCE_PATHS; + if ((bool)p_options["compress"]) { + flg |= ResourceSaver::SaverFlags::FLAG_COMPRESS; + } + + print_verbose("Saving to: " + p_save_path + ".fontdata"); + err = ResourceSaver::save(p_save_path + ".fontdata", font, flg); + ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot save font to file \"" + p_save_path + ".res\"."); + print_verbose("Done saving to: " + p_save_path + ".fontdata"); + return OK; +} + +ResourceImporterImageFont::ResourceImporterImageFont() { +} |